CVE Enrichment

CVSS
8.6 HIGH
EPSS
0.47%
EPSS Percentile
40.18%
CISA KEV
Not listed

Description

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XE Software engineering team has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20273 are related to improper input validation issues that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-20.

Technical Details

CVSS Version
3.1
CNA / NVD Source
[email protected]
Published
06-Aug-2026 00:16
Last Modified
24-Oct-2026 04:10
EPSS Date
2026-10-25
CWE
CWE-20

CVSS Vector

CVSS:3.1 AV:N / AC:L / PR:N / UI:N / S:C / C:N / I:N / A:H

Affected Products / Versions

References

Last enrichment sync: 03-Nov-2026 06:22
Sources: NVD · FIRST EPSS · CISA KEV
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Reported Context (1)

CVE (14)

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People (1)

MITRE ATT&CK (1)

Vendors (1)

Products (4)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.